Feature

Drawing Shows Man Rode Horse 5000 Years Ago

[Photograph]: Cosmic Rays Disrupt Atomic Hearts

Cheesecloth Saving Rare Plant on Rim of Hawaiian Volcano

Boys Demonstrate Ability to See Things Hidden by Screen

Front Matter

Growth-Checking Extract Used in Cancer Treatment

The Beagle Starts Her Voyage: “A Classic of Science”

First Glances at New Books

Hydrogen Atoms of Twice Usual Weight Are Discovered

Standing Audience Improves Building Acoustics One-Fourth

Means Found for Measuring Amount of Vitamin B Needed

[Photograph]: Signatures in Clay